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Posted to issues@calcite.apache.org by "Julian Hyde (JIRA)" <ji...@apache.org> on 2017/02/21 09:06:44 UTC

[jira] [Commented] (CALCITE-1634) Make RelBuilder.distinct no-op if input is already distinct

    [ https://issues.apache.org/jira/browse/CALCITE-1634?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15875642#comment-15875642 ] 

Julian Hyde commented on CALCITE-1634:
--------------------------------------

I missed one reference log; I fixed it along with CALCITE-1649.

> Make RelBuilder.distinct no-op if input is already distinct
> -----------------------------------------------------------
>
>                 Key: CALCITE-1634
>                 URL: https://issues.apache.org/jira/browse/CALCITE-1634
>             Project: Calcite
>          Issue Type: Bug
>            Reporter: Julian Hyde
>            Assignee: Julian Hyde
>             Fix For: 1.12.0
>
>
> If the input is already distinct (i.e. some subset of the columns form a key), the {{RelBuilder.distinct}} method should do nothing.



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